GHSA-w4gq-6hmw-x862

GHSA-w4gq-6hmw-x862 PUBLISHED CVSS 9.300000190734863 CRITICAL

Record from GitHub Advisory Database · Published May 24, 2022

During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

Risk scores

CVSS 4.0

9.300000190734863

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Timeline

May 24, 2022 CVE Published
Apr 9, 2026 Security Advisory

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GHSA-w4gq-6hmw-x862
vulnetix vdb fixes GHSA-w4gq-6hmw-x862

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GHSA-w4gq-6hmw-x862/fixes/registry"

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References

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